| FUEL CHEM Fuel Tech, Inc.
76490149 13 Feb 2003 | on 06 Aug 2014
| Technical consultation in the field of combustion technology, namely, ... Class 042 Class 042 Computer & Software Services & Scientific Services Technical consultation in the field of combustion technology, namely, evaluation of solid and gaseous combustion products and prescribing chemical treatments to moderate or modify their effects | | | NOXOUT ULTRA Fuel Tech, Inc.
78038714 11 Dec 2000 | on 12 May 2023 | chemical treatment services of exhaust gases from fossil fuel combusti... Class 040 Class 040 Treatment & Processing of Materials Services chemical treatment services of exhaust gases from fossil fuel combustion | | | FUEL CHEM Fuel Tech, Inc.
75645837 16 Feb 1999 | on 20 Apr 2021 | Suction pumps used to introduce chemical treatment agents into recover... Class 007 Class 007 Machinery Products Suction pumps used to introduce chemical treatment agents into recovery boilers and pumping equipment, namely, hoses, clamps, filters, motors and engines, nozzles and lances to introduce chemical treatment agents into recovery boiler, sold as a unit | | | NOXOUT-SCR Fuel Tech, Inc.
78757390 18 Nov 2005 | on 21 Jul 2017 | chemical treatment services of exhaust gases from fossil fuel combusti... Class 040 Class 040 Treatment & Processing of Materials Services KNOCKS OUT-SCR | | | FIRESHIELD FUEL TECH, INC.
76183681 18 Dec 2000 | on 27 Jun 2014 | Chemical additives and solutions for fuel and oil treatment; chemical ... Class 001 Class 001 Chemical Products FIRE SHIELD | |